1. to repair damaged cells
        
             
        
        
        
Answer:
B is the correct answer.
Explanation:
The sensory receptors in the nose send signals to the olfactory bulb. These signals are then processed by the brain, which sends a response. Olfactory bulb is the one that receives olfactory(relating to the sense of smell) information which is then relayed to other parts of the brain.
 
        
             
        
        
        
The answer is pheromones. Hope that helps :)
        
             
        
        
        
Wanna play fortnite with me
        
             
        
        
        
Answer:
Heterozygous
Explanation:
Hetero is derived from the root meaning 2 different. Since the organism has 2 different alleles for the trait, it is heterozygous.